| A | B |
| Ratio | comparison of 2 numbers by division |
| Rate | comparison of 2 measurements having different units |
| Unit Rate | rate with a denominator of 1 |
| Rate of Change | rate that describes how 1 quantity changes in relation to another |
| Slope | rate of change between any 2 points on a line |
| Rise | vertical change between any 2 points on a line |
| Run | horizontal change between any 2 points on a line |
| Proportion | statement of equality of 2 ratios |
| Cross Products | products of the terms on the diagonals when 2 ratios are compared |